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SD 122 - TEMPERATURE SENSOR WITH A STEM AND PLASTIC HEAD WITH A DIGITAL OUTPUT

SD 122 - TEMPERATURE SENSOR WITH A STEM AND PLASTIC HEAD WITH A DIGITAL OUTPUT

RS485 (MODBUS)

SD 122 - TEMPERATURE SENSOR WITH A STEM AND PLASTIC HEAD WITH A DIGITAL OUTPUT

CONFIGURATOR

CONFIGURE AND REQUEST

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This temperature sensor SD 122 with a stem and plastic head with a digital output RS 485 / MODBUS RTU is designed for contact temperature measurement of liquid and gaseous substances. In combination with a central holder, the sensor is suitable for temperature measurement in air conditioning ducts. The combination of a sensor and a thermowell is suitable for direct measurement of the medium in pipelines. The temperature sensor is easy to install thanks to the unique “S-head” design of the SENSIT s.r.o. company.

The sensors consist of a plastic head and a metal case, where the sensing element for temperature measurement (sensor) is placed. In the head, there is a terminal block with a converter located, to which a supply cable for sensor supply and digital output signal according to the sensor type is connected through a cable grommet or a connector.

SD 122, SD 122K – MODBUS/RTU communication protocol, communication via the RS485 bus

The temperature range of sensor use is defi ned in the table of technical parameters for the individual versions of sensors. The sensors meet the ingress protection of IP 65 according to EN 60529, as amended.

The sensors are designed to be operated in a chemically non-aggressive environment, the use must be chosen with regard to the temperature and chemical resistance of the sensor head.

ACCESSORIES

DECLARATION, CERTIFICATES, CALIBRATION

  • Manufacturer provides EU Declaration of Conformity.
  • Calibration – The entire production passes through a fi nal metrological inspection, which is carried out by comparing with standards or working measuring instruments. Continuity of the standards and working measuring instruments is ensured within the meaning of Section 5 of Act No. 505/1990 on Metrology. The manufacturer off ers to supply the sensors calibrated in the SENSIT s.r.o. laboratory (according to requirements of the EN ISO/IEC 17025 standard, as amended) or in an accredited laboratory.

 

Technické parametry

Sensor type
(K - with connector)
SD 122
SD 122K
Output signal RS 485 / MODBUS RTU
Measuring range *) -50 to 150 °C
Accuracy of the electronics ± 0.2 °C
Type / Accuracy of the sensing element Pt 1000 / ± (0.3 °C + 0.0005|t|)
Supply voltage (U) 15 to 30 V DC
Rated supply voltage (Un) 24 V DC
Consumption / Supply current maximum: 500 mW
typical: 300 mW
Working conditions ambient temperature: -30 to 100 °C
relative air humidity: max. 100 %
atmospheric pressure: 70 to 107 kPa
Ingress protection IP 65 in accordance with EN 60529, as amended
Time response τ0.5 < 9 s (0.2 m/s-1 in running water)
Standard stem lengths 70, 120, 180, 240 mm
Standard stem diameter 6 ± 0.2 mm
Material of the stem stainless steel DIN 1.4301
Resistance to pressure
(impact on the stem with the medium)
PN 25 (without thermowell) / PN 63 (with thermowell)
Insulation resistance > 200 MΩ at 500 V/DC, 25°C ± 3 °C; humidity < 85 %
Dimensions of the connection head 70 × 63 × 34 mm
Material of the connection head POLYAMIDE
Connector type in the head
(for sensors with a connector)
RSFM4 - M12- Lumberg
Recommended wire cross-section
(for sensors with a grommet)
0.14 to 1 mm2
Weight min. 170 g

*) By extending the stem length by 60 mm, the Sd 122, SD 122K, SD 124 and SD 124K sensors can be used up to 200 °C.

Note: Manufacturer reserves the right to make changes in design and technical characteristics of the products. For actual information, please always contact your dealer.

Rozměrový náčrt

Schéma zapojení

Modifikace

Soubory ke stažení

100.10en.pdf 100.10en.pdf

CONTACT

SENSIT s.r.o.

Školní 2610, 756 61 Rožnov pod Radhoštěm


+420 571 625 571

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